Pollution prevalence is Low in Houston, El Paso, San Antonio, Austin, College Station, Waco, Abilene, and Lubbock, Moderate in Denton, and Very High in Dallas.
Air Pollution risk levels are derived from EPA Air Quality Index (AQI) data, including PM2.5, PM10, ozone, nitrogen dioxide, and sulfur dioxide measurements. Risk scores reflect both current conditions and forecast trends.
Data is updated hourly from EPA monitoring stations and satellite observations.
Sources: EPA AirNow, PurpleAir, satellite observations, Hubbub World air quality model
Last updated: November 9, 2026
Data refreshed weekly